...
     content removed for brevity
     ...
     0.000791 eventfd2(0, O_NONBLOCK|O_CLOEXEC) = 4
     0.000046 write(4, "\1\0\0\0\0\0\0\0", 8) = 8
     0.000056 clock_getres(CLOCK_MONOTONIC, {0, 1}) = 0
     0.000105 getresuid([1000], [1000], [1000]) = 0
     0.000036 getresgid([1000], [1000], [1000]) = 0
     0.000049 socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC, 0) = 5
     0.000034 connect(5, {sa_family=AF_FILE, path=@"/tmp/dbus-ibbj0f6UNR"}, 23) = 0
     0.000112 fcntl(5, F_GETFL)         = 0x2 (flags O_RDWR)
     0.000030 fcntl(5, F_SETFL, O_RDWR|O_NONBLOCK) = 0
     0.000036 geteuid()                 = 1000
     0.000036 getsockname(5, {sa_family=AF_FILE, NULL}, [2]) = 0
     0.000064 poll([{fd=5, events=POLLOUT}], 1, 0) = 1 ([{fd=5, revents=POLLOUT}])
     0.000036 sendto(5, "\0", 1, MSG_NOSIGNAL, NULL, 0) = 1
     0.000062 sendto(5, "AUTH EXTERNAL content-removed\r\n", 24, MSG_NOSIGNAL, NULL, 0) = 24
     0.000069 poll([{fd=5, events=POLLIN}], 1, -1) = 1 ([{fd=5, revents=POLLIN}])
     0.000036 read(5, "OK content-removed"..., 2048) = 37
     0.000039 poll([{fd=5, events=POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
     0.000034 sendto(5, "NEGOTIATE_UNIX_FD\r\n", 19, MSG_NOSIGNAL, NULL, 0) = 19
     0.000059 poll([{fd=5, events=POLLIN}], 1, -1) = 1 ([{fd=5, revents=POLLIN}])
     0.000033 read(5, "AGREE_UNIX_FD\r\n", 2048) = 15
     0.000036 poll([{fd=5, events=POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
     0.000034 sendto(5, "BEGIN\r\n", 7, MSG_NOSIGNAL, NULL, 0) = 7
     0.000051 poll([{fd=5, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=5, revents=POLLOUT}])
     0.000034 sendmsg(5, {msg_name(0)=NULL, msg_iov(2)=[{"l\1\0\1\0\0\0\0\1\0\0\0n\0\0\0\1\1o\0\25\0\0\0/org/fre"..., 128}, {"", 0}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 128
     0.000454 poll([{fd=5, events=POLLIN}], 1, 25000) = 1 ([{fd=5, revents=POLLIN}])
     0.000034 recvmsg(5, {msg_name(0)=NULL, msg_iov(1)=[{"content-removed"..., 2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 260
     0.000054 recvmsg(5, 0x7fff4aba0d70, MSG_CMSG_CLOEXEC) = -1 EAGAIN (Resource temporarily unavailable)
     0.000038 sendmsg(5, {msg_name(0)=NULL, msg_iov(2)=[{"content-removed"..., 144}, {"E\0\0\0type='signal',interface='org"..., 74}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 218
     0.000086 sendmsg(5, {msg_name(0)=NULL, msg_iov(2)=[{"content-removed"..., 144}, {"H\0\0\0type='signal',member='NameOw"..., 77}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 221
     0.000082 fstat(5, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
     0.000035 fcntl(5, F_GETFL)         = 0x802 (flags O_RDWR|O_NONBLOCK)
     0.000027 write(4, "\1\0\0\0\0\0\0\0", 8) = 8
     0.000038 sendmsg(5, {msg_name(0)=NULL, msg_iov(2)=[{"content-removed"..., 160}, {"\7\0\0\0default\0", 12}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 172
     0.000423 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 2, 0) = 1 ([{fd=4, revents=POLLIN}])
     0.000033 read(4, "content-removed", 16) = 8
     0.000037 poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}], 2, 25000) = 0 (Timeout)
    25.021868 read(4, 0x7fff4aba1070, 16) = -1 EAGAIN (Resource temporarily unavailable)