r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendmsg$nl_generic(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x10, 0xffffffffffffffff, 0x0)