preloadNSS_timeout

...
08:36:47 read(3, "", 512)               = 0
08:36:47 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=62, ...}, AT_EMPTY_PATH) = 0
08:36:47 close(3)                       = 0
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_mymachines.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_mdns_minimal.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 3
08:36:47 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3202\0\0\0\0\0\0"..., 832) = 832
08:36:47 newfstatat(3, "", {st_mode=S_IFREG|0555, st_size=56000, ...}, AT_EMPTY_PATH) = 0
08:36:47 mmap(NULL, 75224, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6ee9789000
08:36:47 mmap(0x7f6ee978c000, 24576, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f6ee978c000
08:36:47 mmap(0x7f6ee9792000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0x7f6ee9792000
08:36:47 mmap(0x7f6ee9794000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa000) = 0x7f6ee9794000
08:36:47 mmap(0x7f6ee9796000, 21976, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6ee9796000
08:36:47 close(3)                       = 0
08:36:47 mprotect(0x7f6ee9794000, 4096, PROT_READ) = 0
08:36:47 openat(AT_FDCWD, "/etc/hosts", O_RDONLY|O_CLOEXEC) = 3
08:36:47 newfstatat(3, "", {st_mode=S_IFREG|0444, st_size=204, ...}, AT_EMPTY_PATH) = 0
08:36:47 lseek(3, 0, SEEK_SET)          = 0
08:36:47 read(3, "127.0.0.1 localhost\n::1 localhos"..., 512) = 204
08:36:47 read(3, "", 512)               = 0
08:36:47 close(3)                       = 0
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_myhostname.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
08:36:47 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = 3
08:36:47 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260!\0\0\0\0\0\0"..., 832) = 832
08:36:47 newfstatat(3, "", {st_mode=S_IFREG|0555, st_size=30480, ...}, AT_EMPTY_PATH) = 0
08:36:47 mmap(NULL, 28688, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6ee9781000
08:36:47 mmap(0x7f6ee9783000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f6ee9783000
08:36:47 mmap(0x7f6ee9786000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7f6ee9786000
08:36:47 mmap(0x7f6ee9787000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7f6ee9787000
08:36:47 close(3)                       = 0
08:36:47 mprotect(0x7f6ee9787000, 4096, PROT_READ) = 0
08:36:47 socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3
08:36:47 setsockopt(3, SOL_IP, IP_RECVERR, [1], 4) = 0
08:36:47 connect(3, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("172.20.0.1")}, 16) = 0
08:36:47 poll([{fd=3, events=POLLOUT}], 1, 0) = 1 ([{fd=3, revents=POLLOUT}])
08:36:47 sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="~\265\1\0\0\1\0\0\0\0\0\1\4this\17pre-initialize"..., iov_len=75}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, msg_len=75}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\261\271\1\0\0\1\0\0\0\0\0\1\4this\17pre-initialize"..., iov_len=75}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, msg_len=75}], 2, MSG_NOSIGNAL) = 2
08:36:47 poll([{fd=3, events=POLLIN}], 1, 5000) = 1 ([{fd=3, revents=POLLIN}])
08:36:47 ioctl(3, FIONREAD, [64])       = 0
08:36:47 recvfrom(3, "\261\271\201\200\0\1\0\0\0\0\0\0\4this\17pre-initialize"..., 2048, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("172.20.0.1")}, [28 => 16]) = 64
08:36:47 poll([{fd=3, events=POLLIN}], 1, 4997) = 1 ([{fd=3, revents=POLLIN}])
08:36:47 ioctl(3, FIONREAD, [150])      = 0
08:36:47 recvfrom(3, "\261\271\201\203\0\1\0\0\0\1\0\1\4this\17pre-initialize"..., 65536, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("172.20.0.1")}, [28 => 16]) = 150
08:36:47 poll([{fd=3, events=POLLIN}], 1, 4988) = 0 (Timeout)
08:36:52 poll([{fd=3, events=POLLOUT}], 1, 0) = 1 ([{fd=3, revents=POLLOUT}])
08:36:52 sendto(3, "~\265\1\0\0\1\0\0\0\0\0\1\4this\17pre-initialize"..., 75, MSG_NOSIGNAL, NULL, 0) = 75
08:36:52 poll([{fd=3, events=POLLIN}], 1, 5000) = 1 ([{fd=3, revents=POLLIN}])
08:36:52 ioctl(3, FIONREAD, [150])      = 0
08:36:52 recvfrom(3, "~\265\201\203\0\1\0\0\0\1\0\1\4this\17pre-initialize"..., 2048, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("172.20.0.1")}, [28 => 16]) = 150
08:36:52 poll([{fd=3, events=POLLOUT}], 1, 4987) = 1 ([{fd=3, revents=POLLOUT}])
08:36:52 sendto(3, "\261\271\1\0\0\1\0\0\0\0\0\1\4this\17pre-initialize"..., 75, MSG_NOSIGNAL, NULL, 0) = 75
08:36:52 poll([{fd=3, events=POLLIN}], 1, 4987) = 1 ([{fd=3, revents=POLLIN}])
08:36:52 recvfrom(3, "\261\271\201\200\0\1\0\0\0\0\0\0\4this\17pre-initialize"..., 65536, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("172.20.0.1")}, [28 => 16]) = 64
08:36:52 close(3)                       = 0
08:36:52 openat(AT_FDCWD, "/nix/store/mij848h2x5wiqkwhg027byvmf9x3gx7y-glibc-2.33-50/lib/libnss_mdns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
08:36:52 futex(0x7f6eebdf54a0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
08:36:52 clock_gettime(CLOCK_PROCESS_CPUTIME_ID, {tv_sec=0, tv_nsec=24856178}) = 0
08:36:52 openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_CLOEXEC) = 3
08:36:52 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=65536*1024, rlim_max=RLIM64_INFINITY}) = 0
08:36:52 newfstatat(3, "", {st_mode=S_IFREG|0444, st_size=0, ...}, AT_EMPTY_PATH) = 0
08:36:52 read(3, "562f6443f000-562f644c2000 r--p 0"..., 1024) = 1024
08:36:52 read(3, "libnss_dns-2.33.so\n7f6ee9783000-"..., 1024) = 1024
08:36:52 read(3, "/store/mij848h2x5wiqkwhg027byvmf"..., 1024) = 1024
08:36:52 read(3, "b/libattr.so.1.1.2501\n7f6eea0170"..., 1024) = 1024
08:36:52 read(3, "0 00:1d 24523113                "..., 1024) = 1024
08:36:52 read(3, "nix/store/xmaasiflkww2c7y38v1m2l"..., 1024) = 1024
08:36:52 read(3, "1\n7f6eea04b000-7f6eea07d000 r--p"..., 1024) = 1024
08:36:52 read(3, "6719                   /nix/stor"..., 1024) = 1024
08:36:52 read(3, "6eea2b5000 ---p 000e6000 00:1d 8"..., 1024) = 1024
08:36:52 read(3, "ea2df000-7f6eea2e0000 r--p 00027"..., 1024) = 1024
08:36:52 read(3, "acl.so.1.1.2301\n7f6eea2ec000-7f6"..., 1024) = 1024
08:36:52 read(3, "ws-c-common.so.1.0.0\n7f6eea31f00"..., 1024) = 1024
08:36:52 read(3, "49000-7f6eea352000 r--p 00003000"..., 1024) = 1024
08:36:52 read(3, "5760719                   /nix/s"..., 1024) = 1024
08:36:52 read(3, "3000 rw-p 00000000 00:00 0 \n7f6e"..., 1024) = 1024
08:36:52 read(3, "p 00005000 00:1d 25760815       "..., 1024) = 1024
...