[ 5040.200296][T27907] gre: GRE over IPv4 demultiplexer driver
[ 5040.233747][T27907] ip_gre: GRE over IPv4 tunneling driver
[ 5081.503004][T28401] ip6_gre: GRE over IPv6 tunneling driver
[ 5084.833382][T21369] kworker/2:0 (21369) used greatest stack depth: 23280 bytes left