sendto(3, "<86>Jan 16 11:31:32 su[311]: pam"..., 95, MSG_NOSIGNAL, NULL, 0) = 95
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 4
lseek(4, 0, SEEK_CUR)                   = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=1423, ...}) = 0
mmap(NULL, 1423, PROT_READ, MAP_SHARED, 4, 0) = 0x7f3ce2ffd000
lseek(4, 1423, SEEK_SET)                = 1423
munmap(0x7f3ce2ffd000, 1423)            = 0
close(4)                                = 0
open("/sys/fs/kdbus/0-system/bus", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
socket(AF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
getsockopt(4, SOL_SOCKET, SO_RCVBUF, [212992], [4]) = 0
setsockopt(4, SOL_SOCKET, SO_RCVBUFFORCE, [8388608], 4) = 0
getsockopt(4, SOL_SOCKET, SO_SNDBUF, [212992], [4]) = 0
setsockopt(4, SOL_SOCKET, SO_SNDBUFFORCE, [8388608], 4) = 0
connect(4, {sa_family=AF_LOCAL, sun_path="/var/run/dbus/system_bus_socket"}, 33) = 0
getsockopt(4, SOL_SOCKET, SO_PEERCRED, {pid=1, uid=0, gid=0}, [12]) = 0
fstat(4, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
getsockopt(4, SOL_SOCKET, SO_ACCEPTCONN, [0], [4]) = 0
getsockname(4, {sa_family=AF_LOCAL, NULL}, [2]) = 0
geteuid()                               = 0
sendmsg(4, {msg_name(0)=NULL, msg_iov(3)=[{"\0AUTH EXTERNAL ", 15}, {"30", 2}, {"\r\nNEGOTIATE_UNIX_FD\r\nBEGIN\r\n", 28}], msg_controllen=0, msg_flags=0}, MSG_DONTWAIT|MSG_NOSIGNAL) = 45
gettid()                                = 311
getrandom(0x7f3ce2ff3860, 16, GRND_NONBLOCK) = -1 ENOSYS (Function not implemented)
open("/dev/urandom", O_RDONLY|O_NOCTTY|O_CLOEXEC) = 5
read(5, "\346c|\221\267[\272\2750%V\244\312iR\256", 16) = 16
close(5)                                = 0
recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"OK cdd3835bb0453fe1f607a96e5a5de"..., 256}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = 52
sendmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"l\1\0\1\0\0\0\0\1\0\0\0m\0\0\0\1\1o\0\25\0\0\0/org/fre"..., 128}], msg_controllen=0, msg_flags=0}, MSG_DONTWAIT|MSG_NOSIGNAL) = 128
recvmsg(4, 0x7fff87164d10, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily unavailable)
ppoll([{fd=4, events=POLLIN}], 1, {24, 999873000}, NULL, 8) = 1 ([{fd=4, revents=POLLIN}], left {24, 999577300})
recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"l\2\1\1\t\0\0\0\1\0\0\0=\0\0\0\6\1s\0\4\0\0\0", 24}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = 24
recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{":1.3\0\0\0\0\5\1u\0\1\0\0\0\10\1g\0\1s\0\0\7\1s\0\24\0\0\0"..., 65}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = 65
sendmsg(4, {msg_name(0)=NULL, msg_iov(2)=[{"l\1\0\1h\0\0\0\2\0\0\0\230\0\0\0\1\1o\0\27\0\0\0/org/fre"..., 168}, {"\351\3\0\0007\1\0\0\2\0\0\0su\0\0\3\0\0\0tty\0\4\0\0\0user"..., 104}], msg_controllen=0, msg_flags=0}, MSG_DONTWAIT|MSG_NOSIGNAL) = 272
recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"l\4\1\1\t\0\0\0\2\0\0\0\215\0\0\0\1\1o\0\25\0\0\0", 24}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = 24
recvmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"/org/freedesktop/DBus\0\0\0\2\1s\0\24\0\0\0"..., 145}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = 145
recvmsg(4, 0x7fff87164e40, MSG_DONTWAIT|MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily unavailable)
ppoll([{fd=4, events=POLLIN}], 1, {24, 999789000}, NULL, 8