Couldn't resolve host name

nix-env -iA nixpkgs.bash

installing ‘bash-4.3-p42’
these derivations will be built:
  /nix/store/0ajjndiync9rc9i2mx7hqp3pgs1ypr19-bootstrap-tools.tar.xz?dl=0.drv
  /nix/store/d0zdhyh4dd7b6iaqkr2qn9h75lz853s2-busybox?dl=0.drv
  /nix/store/k5jmdjfc7l90g7sy128rq2mhynl87paf-bootstrap-tools.drv
  /nix/store/2s7a8309aixpz4zhm1mphlra7v3zsldb-stdenv-linux-boot.drv
  /nix/store/y1ig4ql6x9n8jny7kx2f01b24fw1i92z-mirrors-list.drv
  /nix/store/0fnpp0d6npzfvfh7h6c3c2r761sgagvd-bash43-041.drv
  /nix/store/12xspp2cg1vpnqws8p6w4cabz3gvq02s-cloog-0.18.0.tar.gz.drv
  /nix/store/h11bk61h9hmvd9pv1d981ilfc0dxs9qq-paxctl-0.9.tar.gz.drv
  /nix/store/2rs7mj44yk01sx6g59l5166xp7gp7ikw-bootstrap-glibc.drv
  /nix/store/hrajjq9n7ahc9hh53i0cm6c3s0hqqcm3-bootstrap-gcc-wrapper.drv
  /nix/store/q49kq6mhjrw2n3gp6fzahfp1x5z60nmv-stdenv-linux-boot.drv
  /nix/store/hahzmd2gx342b7jc1l7qjf75cc5yvnbf-paxctl-0.9.drv
  /nix/store/4g1171vidjkwcw0957xq8b8h58lw9k1m-binutils-2.23.1.tar.bz2.drv
  /nix/store/7v660340nbw8bppjmk1g6mmqa9ky7z71-zlib-1.2.8.tar.gz.drv
  /nix/store/vf7aw652xnra3cn38gjkkfn1kqzih6rr-zlib-1.2.8.drv
  /nix/store/3988ac4f4166xb2wgjqr8j77lbvdcv3g-binutils-2.23.1.drv
  /nix/store/adgw51jsxlfm92njq2fqddgg2mcgpifg-bootstrap-gcc-wrapper.drv
  /nix/store/2i5wzh321c56sacw8dx5x7q9wvm885xx-stdenv-linux-boot.drv
  /nix/store/afzgjqvf5ca2gc5s8fapxa3bm1jiws3z-linux-3.18.14.tar.xz.drv
  /nix/store/bgv3167bp50asw2aa9kva1gxf8w4hsfa-perl-5.20.3.tar.gz.drv
  /nix/store/n2alls8p0rklikzh1fssy09f32si7ahb-perl-5.20.3.drv
  /nix/store/j6dkbnycbkiazcmyniabdqllpxr9rnw5-linux-headers-3.18.14.drv
  /nix/store/pv0mfi3333yxm6mdrvf00s80ifkw2r1n-glibc-2.21.tar.gz.drv
  /nix/store/863syindd9y6r2161v10kqbk5fvmqm88-glibc-2.21.drv
  /nix/store/l00wiawj4lj8rxmhxdk3mfv749icq7cl-bootstrap-gcc-wrapper.drv
  /nix/store/h76kmx31f1sdnckl6wv17dm6i7y938xv-patchelf-0.8.tar.bz2.drv
  /nix/store/xj02mjr2l7rxcns6x5zbkmh9y9f5swlf-patchelf-0.8.drv
  /nix/store/f5g0dadlga0ijrl2agzwgkb67gk33z0i-stdenv-linux-boot.drv
  /nix/store/p87nf1z4a0r31zdiqyfgrka0kqynlqaf-isl-0.11.1.tar.bz2.drv
  /nix/store/b7jpnrz48dbh8lsbycqfmgzn208550fj-gmp-5.1.3.tar.bz2.drv
  /nix/store/89qvc1b6nj3zdb21sczmnj39n6wivcnz-m4-1.4.17.tar.bz2.drv
  /nix/store/zlaxl6w9lmadky2dbjnamcgdrh4d4bji-gnum4-1.4.17.drv
  /nix/store/s27kkxw9hh6k0fypq0q2k2ax2ns7bqqi-gmp-5.1.3.drv
  /nix/store/42yw261yk8rmgvmdphx42l8042bgq2zp-isl-0.11.1.drv
  /nix/store/0g4dax9my4pkffhfffk78m1cz9nm01r5-cloog-0.18.0.drv
  /nix/store/2i9r80dsz85fl348p8cqsq8z6zy8443r-gcc-4.9.3.tar.bz2.drv
  /nix/store/0rj2c20z8nwz3wmw7arw5y1za9m713js-gettext-0.19.6.tar.gz.drv
  /nix/store/h5phrhlih9hk8lqf24vbsd4ws74a3ycx-xz-5.2.2.tar.bz2.drv
  /nix/store/d2hdjwvllppj3bk7qbn4840f46zrfm39-xz-5.2.2.drv
  /nix/store/79padl1j0fw1pky58qvg6h0clk1f0qv8-gettext-0.19.6.drv
  /nix/store/h6k7va3igqkiv7s0bbjm3sab9vvf6x7c-libelf-0.8.13.tar.gz.drv
  /nix/store/h3hngv2jbp2ygvq5fq78w0qv0387y9in-libelf-0.8.13.drv
  /nix/store/hpq9h9qsglpxwm5jpyib9140i1n7kxi0-zlib-1.2.8.drv
  /nix/store/k8zsjmw9f21s1ripc3m89v1n844czfcw-texinfo-6.0.tar.xz.drv
  /nix/store/kn2r5wbb2lbmc258djvaz1fkgxrm7xqx-texinfo-6.0.drv
  /nix/store/g6cckhlslgh7pnqqhldgrf5njmph9j1x-mpc-1.0.3.tar.gz.drv
  /nix/store/22v7vdjmqgqxaxgfrfh0886jwa59hr23-mpfr-3.1.3.tar.bz2.drv
  /nix/store/yba1cbbbv4q8nr9jy7na92dlih4n4vd8-mpfr-3.1.3.drv
  /nix/store/xkw6hyp0d69nj6p6w9vb8ai7kwry8q5c-libmpc-1.0.3.drv
  /nix/store/cz6v3cm32k06jdnd4wj3g5d4pb2c9wyx-which-2.21.tar.gz.drv
  /nix/store/yykjz73m4zky73x4g9fi59l0srx6v994-which-2.21.drv
  /nix/store/xfwadhak6p1fijhni79wfnyxjrc8wfv5-gcc-4.9.3.drv
  /nix/store/cmkma3l400lx8zwlg5rzh7kpqhair7wv-gcc-wrapper-4.9.3.drv
  /nix/store/0i1p1hixk5y785q0zzk9xb4596kpbdrs-stdenv-linux-boot.drv
  /nix/store/0kmp9hiipwqs9gxjykv3scc8diinsjmn-bison-3.0.4.tar.gz.drv
  /nix/store/1wsyr267cq1lal67q1n8d2dm0gcmpij9-bash43-028.drv
  /nix/store/23yd7mknv7d01rcbmjdknzs2h9na50zp-bash43-017.drv
  /nix/store/28iab2bbnykh6bsvnfzlib898dna6wws-bash43-038.drv
  /nix/store/32jnngdw7n3pk1lzzrh4vh6bhlg579kk-bash43-027.drv
  /nix/store/3af5dws3rzgaszb09nqpwyhw4s3dd6zi-bash43-016.drv
  /nix/store/3wclyss57rvj91h4nnpa4xzzqxsxypa5-bash43-001.drv
  /nix/store/4y3dmdbycb0nw76kjd4370ybcf6bfarw-bash43-025.drv
  /nix/store/5frbn0swws3bnq6x3ghbp1h4nxc0rqh3-bash43-020.drv
  /nix/store/5scfzcbkgrrib5d41hmc9xijbvqcp5ih-bash43-010.drv
  /nix/store/6gjqfhvx07h1iyq2lxa2lx95dllb6sj9-bash43-030.drv
  /nix/store/6wynqjiszm9bhm8fnk82bbcfq5y8fizy-bash43-034.drv
  /nix/store/7cdmnx93xpdzka4yh0yhy5km3b2pmh8g-bash43-039.drv
  /nix/store/aflcp3dww0ap02b5k8iajjm4nf8nxl27-bash43-011.drv
  /nix/store/bpf2f9kagg7fkyhgpqyh6slq61slasfg-bison-3.0.4.drv
  /nix/store/diinymh5xm2c9fivsh1gqhvzqbjgzsp4-bash43-036.drv
  /nix/store/ds10yflaz3hmsrcf9fia5nsw013zapbb-bash43-006.drv
  /nix/store/fmf7qfc4rqdm7jjn1q13207r8dywyilf-bash43-009.drv
  /nix/store/gng0ac6fa3098vmw7vvpzs3xv7n6biwn-bash43-040.drv
  /nix/store/gwr49riq2bm8qkj11khkby9332q8lvf5-bash43-032.drv
  /nix/store/hl01g01l09phhgniyi56lykgkdxvm4x4-bash43-035.drv
  /nix/store/hmiaci8bf14hpr504vcvfsnjck71d6xz-bash43-013.drv
  /nix/store/j2lnrj4k9ryspsha12q4bsl3s24ijsy1-bash43-022.drv
  /nix/store/lybjqls6mrrfg5af6194fnmx2mnm1667-bash43-015.drv
  /nix/store/n1mkbcq0yfy0kpyi376291ps53bzdhb3-bash43-003.drv
  /nix/store/n36lmrf49z93zdqghylm427qw8an0s6j-bash43-007.drv
  /nix/store/n511mv3hy5kaf85vknyh8znv9jd3fzph-bash43-042.drv
  /nix/store/nhm4mw6pxv8nmlnpi8lb69q34r45hhis-bash43-014.drv
  /nix/store/pg9srcnqy125j2ican71ga53278nia1f-bash43-021.drv
  /nix/store/rl63gqhvqmac9inp04j3vidn3bfp7q5v-bash43-029.drv
  /nix/store/rw0raxscdznigak81019l1pzzw6iagls-bash43-012.drv
  /nix/store/shp4cwwkfih7h61vjikc8fchq194vaps-bash43-018.drv
  /nix/store/vhbiwszx9jkfdrdzg3hs1vpcpb7zb6wr-bash43-026.drv
  /nix/store/w2c0p4rnvr54x7ql16gmj12a66c8hmp3-bash-4.3.tar.gz.drv
  /nix/store/xkmm866d0b45xcdwni6bks4397a7v98v-bash43-002.drv
  /nix/store/xp87wlks6lp43dkvq8941q6mmmhhi5rz-bash43-008.drv
  /nix/store/xv3ab2r8my398pavcw5rp6wfp3nj936j-bash43-019.drv
  /nix/store/y5q2ap5wayi8cr0hc3lx56d4l1y16xfy-bash43-004.drv
  /nix/store/y9ylyrwqlz42w309yk2kmamqw5y6y417-bash43-005.drv
  /nix/store/ysam8lgc4663f1wcmdcx699hhbpvl0px-bash43-037.drv
  /nix/store/z7bwg2knhn5qqcgla7kvly2hp0izrdnb-bash43-031.drv
  /nix/store/zg9ph8vhw4i2jywc1x95fy56j75frs5r-bash43-033.drv
  /nix/store/zp5m8lqpmyhajjx633zmq50dwb3nrn05-bash43-023.drv
  /nix/store/zshbwcylb1qkmjic7wq1l2wslmjirvhs-bash43-024.drv
  /nix/store/7kcvskhc20zcd3a52lgvhwz8y3656zkb-bash-4.3-p42.drv
building path(s) ‘/nix/store/7jvkgmxda210hhfbza3n22ly6v88g8ck-bootstrap-tools.tar.xz?dl=0’
downloading ‘https://dl.dropboxusercontent.com/s/3jr4s5449t7zjlj/bootstrap-tools.tar.xz?dl=0’...  [0/0 KiB, 0.0 KiB/s]
error: unable to download ‘https://dl.dropboxusercontent.com/s/3jr4s5449t7zjlj/bootstrap-tools.tar.xz?dl=0’: Couldn't resolve host name (6)
builder for ‘/nix/store/0ajjndiync9rc9i2mx7hqp3pgs1ypr19-bootstrap-tools.tar.xz?dl=0.drv’ failed with exit code 1
cannot build derivation ‘/nix/store/k5jmdjfc7l90g7sy128rq2mhynl87paf-bootstrap-tools.drv’: 1 dependencies couldn't be built
cannot build derivation ‘/nix/store/7kcvskhc20zcd3a52lgvhwz8y3656zkb-bash-4.3-p42.drv’: 1 dependencies couldn't be built
error: build of ‘/nix/store/7kcvskhc20zcd3a52lgvhwz8y3656zkb-bash-4.3-p42.drv’ failed

start chroot

ROOTFS="/data/nixified"
mkdir "$ROOTFS/proc" && mount -o bind /proc "$ROOTFS/proc"
mkdir -p "$ROOTFS/dev/pts" && mount -f -t devpts -o gid=4,mode=620 devpts "$ROOTFS/dev/pts"
busybox chroot "$ROOTFS" /bin/bash