r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, <r1=>0x0}, &(0x7f0000000040)=0x5)
setuid(r1)
msgsnd(0x0, &(0x7f0000001440)={0x3}, 0x8, 0x0)