r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmmsg(r0, &(0x7f00000050c0)=[{{0x0, 0x0, &(0x7f0000000ac0)=[{&(0x7f0000000200)="a5", 0x1}], 0x1, &(0x7f0000001e00)=[{0x10}], 0x10}}], 0x1, 0x0)