r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$SEG6_CMD_SETHMAC(r0, &(0x7f00000004c0)={&(0x7f00000003c0), 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x28, r1, 0x405, 0x0, 0x0, {}, [@SEG6_ATTR_DST={0x14, 0x1, @ipv4={'\x00', '\xff\xff', @multicast2}}]}, 0x28}}, 0x0)