[ 1555.346863][T29368] gre: GRE over IPv4 demultiplexer driver
[ 1555.809467][T29391] ip_gre: GRE over IPv4 tunneling driver
[ 1572.066752][T29963] ip6_gre: GRE over IPv6 tunneling driver
[ 1582.748447][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1584.797404][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.716413][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1588.828416][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1612.599607][T31437] ping (31437) used greatest stack depth: 22928 bytes left