[ 3149.221089][T28882] gre: GRE over IPv4 demultiplexor driver
[ 3150.367431][T28905] ip_gre: GRE over IPv4 tunneling driver
[ 3184.819354][T29478] ip6_gre: GRE over IPv6 tunneling driver
[ 3199.372074][T29729] ping (29729) used greatest stack depth: 23296 bytes left
[ 3208.569698][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3212.281629][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3215.482675][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3219.194627][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.394134][T30811] ping (30811) used greatest stack depth: 23072 bytes left